<gn-buttons [showMore]="showMore">
  <button pButton type="button" class="ui-button-raised" label="主要" icon="pi pi-plus"></button>
  <button pButton type="button" class="ui-button-raised ui-button-secondary" label="次要" icon="pi pi-pencil"></button>
  <button pButton type="button" class="ui-button-raised ui-button-success" label="成功" icon="pi pi-minus"></button>
  <button pButton type="button" class="ui-button-raised ui-button-warning" label="警告" icon="pi pi-minus"></button>
  <button pButton type="button" class="ui-button-raised ui-button-danger" label="危险" icon="pi pi-minus"></button>
  <more>
    查询：<input>
  </more>
</gn-buttons>
<hr>
扩展按钮：<input type="checkbox" [(ngModel)]="showMore">
